Knee-joint orthesis



FIG. 1 is a front elevational view of a knee-joint orthesis showing our new design;

FIG. 2 is right side elevational view thereof; and,

FIG. 3 is left side elevational view thereof;

The broken line showing of a knee is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for a knee-joint orthesis, as shown and described. 